When hurriedly using a set of silent database creation scripts on 11gR2 I stumbled several times across an error where dbca was failing after about 15s, and had not even started copying files. The log files in $ORACLE_BASE/cfgtoollogs/dbca/<my_db> all contained: [crayon-5b2c5798034f0135692955/] Various posts on the web were suggesting a problem in the tnsnames.ora file which […]
There a quite a few new changes in OEL 7 (and its twins CentOS7, RHEL7, etc.), one of them is the default filesystem is now xfs instead of ext4. Well, I’d just got used to the latter, and in comes xfs, which you cannot shrink????
With Oracle’s « Preinstallation RPM » you can easily prepare Oracle Database 12c and 11g installations on Oracle Linux. But these RPMs will not work unless you’re working with a « UEK kernel ». The article below shows a tip to use this RPM on a « Redhat Kernel » anyway.
After playing a few time with a virtual machine, installing and un-installing Oracle software on Oracle VirtualBox, I realised that the vdi disk files of some VM where not shrinking despite deleting all files on the virtual machine itself, and I needed the disk space to build other VMs, so what can I do? [crayon-5b2c579804b07555847764/]
Part of our business is automated licence auditing of Oracle products which means we ask our clients to install a small agent on their servers which will report to a central server various bits of information needed to calculate the number and type of licences that need to be acquired from Oracle. While we advise […]
Oracle is slowly bringing the power of DTrace to its Linux distribution with the help of the Unbreakable Enterprise Kernel. My understanding of Lenz Grimmer’s post on Oracle Linux blog is that the yet to come UEK3 will include the GPL’ed part of Oracle’s Dynamic Tracing port to Linux. For now and, to me at […]
What if you could use Kickstart with Oracle VM without DHCP nor a customized ISO? Creating Oracle Linux Guests on Oracle VM for x86 is kind of fun considering the number of options you have. You can clone an existing VM and download a template from Oracle Software eDelivery Cloud. You can also start the […]
The first part of this article explains how to build an RPM that contains an Oracle Database 12c Release 1 Enterprise Edition and use it with Oracle Linux 6 x86_64 and « rpm --install« . You can easily adapt this method to your needs and build your own packages, with your release or edition. Poke me on […]
Installing Oracle Software is boring! Obviously, if you use Oracle Linux, you know about oracle-validated, oracle-rdbms-server-11gR2-preinstall and oracle-rdbms-server-12cR1-preinstall RPMs which create users, set parameters and install the required packages… Still! Once the prerequisites are fulfilled, installing Oracle Software requires you to (1)upload the distribution to a staging location, (2) run the installer, (3) apply the […]